<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<script>
    var JsonData= { "one":1, "two":2, "three":3, "four":4, "five":5 };
    var arr = [];
    for(p in JsonData){
        arr.push(
            {
                "label":p,
                "value":JsonData[p]
            }
        )
    }
    console.log(arr);
</script>
</body>
</html>